<template>
<div>

  <div>
    <el-input style="width: 200px;"  placeholder="请输入名称" v-model="name" suffix-icon="el-icon-search"></el-input>
    <el-input style="width: 200px;margin:10px 5px"  v-model="description" placeholder="请输入描述" suffix-icon="el-icon-notebook-2"></el-input>
    <el-button class="ml-5" type="primary" @click="search">搜索</el-button>
    <el-button @click="reset" type="primary" plain >重置</el-button>
  </div>
  <div style="margin:10px 0">
    <el-button type="primary" @click="handleAdd">新增菜单
      <i class="el-icon-circle-plus-outline" />
    </el-button>
    <el-popconfirm  title="确定批量删除吗？" @confirm="delBatch"
                    class="ml-5">
      <el-button type="danger" slot="reference">批量删除
        <i class="el-icon-remove-outline" />
      </el-button>
    </el-popconfirm>

  </div>
  <el-table :data="tableData" border stripe :header-cell-style="tableHeaderColor"
            row-key="id" default-expand-all
            @selection-change="handleSelectionChange">
    <el-table-column
        type="selection"
        width="55">
    </el-table-column>
    <el-table-column prop="id" label="ID" width="150">
    </el-table-column>
    <el-table-column prop="name" label="页面名称" ></el-table-column>
    <el-table-column prop="path" label="请求路径" ></el-table-column>
    <el-table-column prop="pagePath" label="文件名称" ></el-table-column>
    <el-table-column  label="图标" >
      <template slot-scope="scope">
        <i style="font-size: 20px" :class="scope.row.icon" />
      </template>
    </el-table-column>
    <el-table-column prop="description" label="描述" ></el-table-column>
    <el-table-column label="操作" width="300" align="center">
      <template slot-scope="scope">
        <el-button type="success" @click="handleAdd1(scope.row.id)" v-if="!scope.row.pid&&!scope.row.path">新增子菜单 <i class="el-icon-plus"></i></el-button>
        <el-button type="warning" @click="handleEdit(scope.row)">编辑 <i class="el-icon-edit"></i></el-button>
        <el-popconfirm  title="确定删除吗？" @confirm="del(scope.row.id)"
                        class="ml-5">
          <el-button type="danger" slot="reference">删除 <i class="el-icon-remove-outline"></i></el-button>
        </el-popconfirm>

      </template>
    </el-table-column>
  </el-table>
<!--  <div style="padding:10px 0">-->
<!--    <el-pagination-->
<!--        @size-change="handleSizeChange"-->
<!--        @current-change="handleCurrentChange"-->
<!--        :current-page="pageNum"-->
<!--        :page-sizes="[2, 5, 10, 20]"-->
<!--        :page-size="pageSize"-->
<!--        layout="total, sizes, prev, pager, next, jumper"-->
<!--        :total="total">-->
<!--    </el-pagination>-->
<!--  </div>-->

  <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="30%">
    <el-form label-width="80px" size="small">
      <el-form-item label="页面名称" >
        <el-input v-model="form.name" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="请求路径" >
        <el-input v-model="form.path" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="文件名称" >
        <el-input v-model="form.pagePath" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="图标" >
        <el-select clearable v-model="form.icon" placeholder="请选择" style="width: 100%">
          <el-option v-for="item in options" :key="item.name" :label="item.name" :value="item.value">
            <i :class="item.value"/> {{item.name}}
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="描述" >
        <el-input v-model="form.description" autocomplete="off"></el-input>
      </el-form-item>
    </el-form>
    <div slot="footer" class="dialog-footer">
      <el-button @click="cancel">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </div>
  </el-dialog>
</div>
</template>

<script>
export default {
  name: "User",
  data(){
    return{
      tableData: [],
      name:"",
      path:"",
      pagePath:"",
      icon:"",
      description:"",
      form:{},
      dialogFormVisible:false,
      multipleSelection:[],
      options:[]
    }
  },
  created() {
    this.load()
  },
  methods:{
    handleAdd1(pid){
      console.log(pid)
      this.dialogFormVisible=true
      this.form={}
      this.form.pid=pid
      //请求图标的数据
      this.request.get("/menu/icons").then(res=>{
        this.options=res.data
      })
    },
    handleAdd(){
      //请求图标的数据
      this.request.get("/menu/icons").then(res=>{
        this.options=res.data
      })
      this.dialogFormVisible=true
      this.form={}
    },
    handleEdit(row){
      this.form=row
      this.dialogFormVisible=true

      //请求图标的数据
      this.request.get("/menu/icons").then(res=>{
          this.options=res.data
      })

    },
    reset(){
      this.name=""
      this.description=""
      this.load()
    },
    handleSelectionChange(val){
      console.log(val)
      this.multipleSelection=val
    },
    delBatch(){
      let ids=this.multipleSelection.map(v=>v.id)  //[ {},{},{}] => [1,2,3]
      this.request.post("/menu/del/batch",ids).then(res=>{
        if(res.code==='200'){
          this.$message.success("批量删除成功")
          this.load()
        }else{
          this.$message.error("批量删除失败")
        }
      })
    },
    load(){
      this.request.get("/menu",{
        params:{
          name:this.name,
          description:this.description
        }
      }).then(res =>{
        this.tableData=res.data
      })
    },
    search(){ // 只支持搜索一级菜单 后端实现的问题
      this.request.get("/menu",{
        params:{
          name:this.name,
          description:this.description,
        }
      }).then(res =>{
        console.log(res)
        this.tableData=res.data
      })
    },
    del(id){
      this.request.delete("/menu/"+id).then(res=>{
        if(res.code==='200'){
          this.$message.success("删除成功")
          this.load()
        }else{
          this.$message.error("删除失败")
        }
      })
    },
    save(){ //新增或修改
      this.request.post("/menu",this.form).then(res =>{
        if(res.code === '200'){
          this.$message.success("保存成功")
          this.dialogFormVisible=false
          this.load()
        }else{
          this.$message.error("保存失败")
          this.load()
        }
      })

    },
    cancel(){
      this.dialogFormVisible=false
      this.load()
    },

    tableHeaderColor({row,column,rowIndex,columnIndex}){
      return 'background-color:lightblue;color:#fff;font-size:15px;'
    },
    handleSizeChange(pageSize){
      console.log(pageSize)
      this.pageSize=pageSize;
      this.load()
    },
    handleCurrentChange(pageNum){
      console.log(pageNum)
      this.pageNum=pageNum;
      this.load()
    }
  }
}
</script>

<style scoped>

</style>